Table 3-4 lists parameter properties and provides a description of each property.
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Table 3-4
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Yes, in Prompt editor
Visibility of the value that the user provides for this parameter. To conceal the value, set to True. To display the value, set to False. This parameter property applies only to parameters with the varchar data type and the text box display type.
Yes, on the Parameters tab
Yes, in Prompt editor
Parameter’s default value. If a parameter does not have a default value, and the Required property is set to False, the parameter takes one of the following values if the user does not provide a value:
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0 if the parameter is of type decimal, double, or integer.
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Empty string if the parameter is in the varchar data type.
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Current date and time if the parameter is in the timestamp data type.
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Display Control Type
Yes, in Prompt editor
Control type for the parameter. The options are text box, read-only drop-down list, editable drop-down list, or radio buttons.
Parameter prompt in BIRT Studio or Actuate Query.
Key for Display Name property in localization properties file.
Yes, in Prompt editor
Visibility of the parameter to the user. To hide the parameter, set to True. To display the parameter, set to False.
Horizontal Alignment
Yes, on the Parameters tab
Setting for parameters in stored procedures and ODA data source queries to specify the input or output type of the parameter. The options are Input, Output, InputAndOutput, or ReturnValue. ReturnValue is used only for stored procedures and is equivalent to Output.
Yes, in Prompt editor
Indicator of whether the parameter is required. To require a value for this parameter, set to True. Otherwise, set to False.
The size of the parameter if the parameter data type is varchar. Otherwise, not used. Must be set if size is greater than 1300.
